Window-ventilator and the like



IIIIIIIIIIIIIIIIIIIIIIIIII APPLICAI l 0 N F L E D A P R 3 0 l 1 9 2 0.

i in n Ul ELMER E. HUNT, OF CHCAGO, ILLINOlSn.

WINno'w-vnnrrrnroa AND duin LIKE.

Specification of Letters Patent.

Patented July 5, 1921.

Application filed April 30, 1920. Serial No. 377,812.

To @ZZ whom t may concern Be it known that l, ELMER E. HUNT, a citizen of the United bitates, residing at Chicago, in the county of Cook and State of lllinois, have invented certain new and useful Improvements in l/Vindow-Ventilators and the like, of which the following isa specification.

The present invention has to do with improvements in window ventilators of that type in which a glass pane or guard of other material is located across the window sill from side to side of the window casing, and said pane slanting upwardly, so that when the lower sash is raised for ventilation purposes, the draft is thrown toward the upper part of the room.

Naturally when the window is opened dust and particles of foreign matter will be carried into the room with the current of air.

rlhe main object of the present invention is to provide, in conjunction with ventilators of this type, a guard or means lfor preventing .the carrying v,of such dust or foreign matter into the room by catching the same as lthe air passes up over the ventilator, so that the dust will be compelled to fall back toward the outside.

Another object of the invention is to provide, in arrangements of this type, a dust guard which can be very readily attached or detached from the ventilator itself, thus making it possible to easily remove the dust guard lfrom the ventilator when the window is to be washed or cleaned, or when the ventilator sheet is to be removed from the window casing. The dust guard is also so formed that it can be easily applied to ventilators already installed.

Other objects and uses of the invention will appear from a detailed description of the same which consists in the features of construction and combinations of parts hereinafter described and claimed.

In the drawings- Figure 1 shows a fragmentary perspective view of the lower portion of a window casing having applied thereto a ventilator embodying the features of thelpresent invention', the lower window sashbeing partly raised; 1 I y Fig. 2 shows a fragmentary view of the edge of the ventilator pane having applied thereto a dust guard embodying the features of the present invention;

Fig. 3 shows a fragmentary section taken on the line 3-,-3 of Fig. 2, looking inthe dfirection of the arrows; and I Fig; 4c shows a bottom perspective/frag mentry view of the end portion of the dust guar Y ln the figures l have shown the features of the present invention as applied,` to a window casing 5 having the lower sash 6. The plates or end members 7 and 8 are fastened to the lower side portions of the window casing 5 in the manner which is well understood inthe art. rlhese members 7 and 8 being provided with slots extending in more.

or less vertical fashion to receive the end vportions of the ventilator sheet or pane 9.

This pane is generally made of glass, either plain or wire glass, and either clear or florentine, or other fancy finish. The sheet or pane 9 may be removed from the'members 7 and 8 by sliding it up in the slots'or grooves aforesaid. Such removal is frequently necessary or desirable when the windows are to be washed in order to prevent possible breakage of the pane 9. The air entering beneath the sash 6 travels up over the outside face of the pane 9 and over its upper edge. In order to trap dust and other for.- eign matter, l have provided a guard 10 illustrated in detail in Figs. 2, 3, and 4. Said guard is preferably made of sheet metal of length substantially the same as the distance between the members 7 and 8; and said sheet metal is folded so as to provide a pair of substantially parallel channels 11 and 12. The channel 11 is of proper width to receive the upper edgev of the glass pane 9; and said channel comprises the side walls 13l and 14. Ordinarily these' will be bent in such fashion as to grip the glass pane betweenl them with a fair-amount of pressure, so that the guard will retain its position on thepane against any drafts of air or other tendency toward removal. ln this way the guard is held in place with a spring pressure, but may be easily removed, if desired. The channel 12 is formed 'between the flanges 141 and 15. The flange 15 may, in some cases, be eliminated, but ordinarily the dust or other matter will be trapped Vmuch more fully and effectively by making use of the flange 15. In this way the air currents will circulate substantially `as shown bythe arrows in Fig. 3, with the tendency to throw the dust back and down along the outer face of the pane 9, so that it will collect on the window sill outside or said pane, whence it may be removed from time to time, the pene y9 being slid up with respecJ to the members 7 and 8 if necessary for such purpose.

It will be observed that upon the application of a suicient lifting pressure to the flange l5, there will be a Jendency to spread the flange 14 away from the glass pene, thus making it easier for the operator to remove the guard than would otherwise be jdie case. By the use of sheet metal, such as sheet steel or the like sufficient spring action may be secured to insure e very easy insertion and removal or" the guard.

l claim:

The combination with a ventilator plate of L dust guard removably mounted on lieupper edge of said plete, said dust guard coinprising :i strip of slieec metal folded to provide a downwardly facing channel or width to firmly embrace the upper edge @fille plate, and also to provide'an outwardly eX- tending` downwardly facing lip for the entrapment of dust or other 4iforeigu' metter Carried by the air flowing up over the outside face of the pleite, substantially :is described.

ELMER E. HUNT. 

